Storage Controller
Dell EMC’s RAID controller options oer performance improvements, including the MiniPERC solution. Mini PERC provides a base
RAID HW controller without consuming a PCIe slot by using a small form factor and high density connector to the base planar.
The new PERC controller oerings leverage heavily on previous generation PERC family. The premium performance PERC series
controller drives better IOPs and enhanced the SSD performance.
Table 13. PERC series controller oerings
Performance Level Controller & Description
Entry S140 (SATA, NVMe) SW RAID SATA
Value HBA330 (Internal), 12Gbps SAS HBA (External) Memory: None
x8 12 Gb SAS x8 PCIe 3.0, H330, 12Gbps SAS HBA (External)
Memory: None x8 12 Gb SAS x8 PCIe 3.0
Value Performance H730P Memory: 2GB, NV 72-bit, 866MHz x8 12 Gb SAS x8
PCIe 3.0
Premium Performance H740P, 8x8 ROC Memory: 4/8GB, NV 72-bit
IDSDM with vFlash card
The Internal Dual microSD Module (IDSDM) and vFlash card are combined into a single card module in the latest PowerEdge
systems. The following are SKUs available for PowerEdge R940xa systems:
• vFlash only
• IDSDM only
• vFlash and IDSDM
NOTE: The IDSDM only option come with vFlash hardware but required iDRAC Enterprise license to enable it.
The IDSDM with vFlash module sits in the back of the chassis, in a Dell-proprietary PCIe x1 slot using a USB 3.0 interface to host. In
14 Gen system, the IDSDM and/or vFlash card moves from SD to microSD and the supported capacity for IDSDM microSD cards are
16, 32, and 64 GB while for vFlash the capacity is 16 GB only. The write-protect switch is built onboard on the IDSDM with vFlash
module.
External storage
Table 14. External storage device types
Device Type Description
External Tape Supports connection to external USB tape products
NAS/IDM appliance software Supports NAS software stack
JBOD Supports connection to 12Gb MD-series JBODs
Optical drives
The PowerEdge R940xa supports one of the following internal optical drive options:
• DVD-ROM
• DVD+RW
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